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PC PSU to laboratory PSU Why obsess over the LM317? Not an appropriate choice here.
My cell rises to a temperature and cu ... |
19-1-2008 at 18:40 by: 12AX7 |
PC PSU to laboratory PSU Oh, that's on my page 14 (most recent). Just what posts/page settings does everyone think they use ... |
19-1-2008 at 14:07 by: 12AX7 |
PC PSU to laboratory PSU Exactly what circuit are we talking about? |
19-1-2008 at 11:54 by: 12AX7 |
Multilayer Metal Oxide / Titanium Anodes for Chlorate/Perchlorate [quote][i]Originally posted by Rosco Bodine[/i]
by emulating a membrane cell with a slime
layer on ... |
19-1-2008 at 05:41 by: 12AX7 |
PC PSU to laboratory PSU Circuits I've seen add the voltages together and regulate them jointly.
What I mean by the CT is, ... |
18-1-2008 at 10:31 by: 12AX7 |
Anyone here familiar with electroforming? Hell, I'd intentionally touch it, just to make it release better. With titanium that may not be a c ... |
18-1-2008 at 04:52 by: 12AX7 |
Anyone here familiar with electroforming? I got this from a friend:
Nickel plating levelers, first degree: Saccharin, aromatic sulfonic aci ... |
17-1-2008 at 19:51 by: 12AX7 |
PC PSU to laboratory PSU [quote][i]Originally posted by dann2[/i]
@ 12AX7.Will the constant current moule of the circuit tha ... |
17-1-2008 at 19:42 by: 12AX7 |
More on PbO2 electrodes If it's "loaded with acid", the chlorate is present as HClO3 (pH < 1 or so) and decomposing to Cl ... |
17-1-2008 at 16:39 by: 12AX7 |
PC PSU to laboratory PSU The current limiting is usually done with a current transformer at the output transistors. So, you ... |
17-1-2008 at 16:36 by: 12AX7 |
Valorizing the Glycerol from Biodiesel Production Sodium carbonate?
Typical carboxylic acid pKa ~ 5, CO3(2-) ~ 10...
Running through a bed of so ... |
17-1-2008 at 13:07 by: 12AX7 |
Exotic thermites & analogs There's enough Al to burn the S, obviously. (SiS and SiS2 are known, but not likely, and definetly ... |
17-1-2008 at 13:06 by: 12AX7 |
copper(I)chloride Do not heat it, you will only evaporate noxious copper fumes. CuCl2 has a high vapor pressure, and ... |
17-1-2008 at 12:02 by: 12AX7 |
Cleaning TiO2 out of glassware The peroxy-titanium complex decomposes and precipitates in basic solution (and on drying, what a sha ... |
16-1-2008 at 15:10 by: 12AX7 |
Precious Metals Reclamation Thread (Photo Intensive!!) [quote][i]Originally posted by 12AX7[/i]
Awesome.
I, too, have a golden colored solution, water ... |
16-1-2008 at 14:27 by: 12AX7 |
PC PSU to laboratory PSU So why does it have two ICs and numerous resistors, when mine has less? And "per module" he says!
... |
16-1-2008 at 10:50 by: 12AX7 |
High Temperature Argon Filled Arc Furnace Cool!
Note that Ti forms carbides (and nitrides, and oxides, and just about everything else under ... |
15-1-2008 at 20:33 by: 12AX7 |
Cleaning TiO2 out of glassware Oxalic acid or HCl may produce results.
Tim |
15-1-2008 at 16:29 by: 12AX7 |
More on PbO2 electrodes Isn't plumbate more soluble and acidic than plumbite? Why would PbO2 deposit in such a bath?
Tim |
14-1-2008 at 17:18 by: 12AX7 |
The limits of science Hmm, relativisim is invoked willy-nilly in a lot of quantum calculations. For instance, the energy ... |
14-1-2008 at 17:15 by: 12AX7 |
H2 adsorption ability of Ru, Pt, Ni metal powder Ni and Al form several intermetallic compounds. They also do so exothermically, so care must be use ... |
14-1-2008 at 17:12 by: 12AX7 |
Anyone here familiar with electroforming? Useless without a few drops of thiourea solution (Tarn-X contains it).
The concentration and all ... |
14-1-2008 at 11:14 by: 12AX7 |
Baking soda no longer OTC? Laugh? Cry? You decide John,
Please keep your inane ramblings in Whimsy.
Tim |
13-1-2008 at 15:25 by: 12AX7 |
sulfur burner post mortem Ummmm go slower? |
13-1-2008 at 05:32 by: 12AX7 |
Plating Titanium Without the molten NaOH cleaning, especially on well passivated (annealed, etc.) stock, the HF only ... |
12-1-2008 at 19:14 by: 12AX7 |
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